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// SPDX-FileCopyrightText: Copyright 2023 yuzu Emulator Project
// SPDX-License-Identifier: GPL-2.0-or-later
#include "core/hle/service/mii/mii_database.h"
#include "core/hle/service/mii/mii_result.h"
#include "core/hle/service/mii/mii_util.h"
namespace Service::Mii {
u8 NintendoFigurineDatabase::GetDatabaseLength() const {
return database_length;
}
bool NintendoFigurineDatabase::IsFull() const {
return database_length >= MaxDatabaseLength;
}
StoreData NintendoFigurineDatabase::Get(std::size_t index) const {
StoreData store_data = miis.at(index);
// This hack is to make external database dumps compatible
store_data.SetDeviceChecksum();
return store_data;
}
u32 NintendoFigurineDatabase::GetCount(const DatabaseSessionMetadata& metadata) const {
if (magic == MiiMagic) {
return GetDatabaseLength();
}
u32 mii_count{};
for (std::size_t index = 0; index < mii_count; ++index) {
const auto& store_data = Get(index);
if (!store_data.IsSpecial()) {
mii_count++;
}
}
return mii_count;
}
bool NintendoFigurineDatabase::GetIndexByCreatorId(u32& out_index,
const Common::UUID& create_id) const {
for (std::size_t index = 0; index < database_length; ++index) {
if (miis[index].GetCreateId() == create_id) {
out_index = static_cast<u32>(index);
return true;
}
}
return false;
}
Result NintendoFigurineDatabase::Move(u32 current_index, u32 new_index) {
if (current_index == new_index) {
return ResultNotUpdated;
}
const StoreData store_data = miis[current_index];
if (new_index > current_index) {
// Shift left
const u32 index_diff = new_index - current_index;
for (std::size_t i = 0; i < index_diff; i++) {
miis[current_index + i] = miis[current_index + i + 1];
}
} else {
// Shift right
const u32 index_diff = current_index - new_index;
for (std::size_t i = 0; i < index_diff; i++) {
miis[current_index - i] = miis[current_index - i - 1];
}
}
miis[new_index] = store_data;
crc = GenerateDatabaseCrc();
return ResultSuccess;
}
void NintendoFigurineDatabase::Replace(u32 index, const StoreData& store_data) {
miis[index] = store_data;
crc = GenerateDatabaseCrc();
}
void NintendoFigurineDatabase::Add(const StoreData& store_data) {
miis[database_length] = store_data;
database_length++;
crc = GenerateDatabaseCrc();
}
void NintendoFigurineDatabase::Delete(u32 index) {
// Shift left
const s32 new_database_size = database_length - 1;
if (static_cast<s32>(index) < new_database_size) {
for (std::size_t i = index; i < static_cast<std::size_t>(new_database_size); i++) {
miis[i] = miis[i + 1];
}
}
database_length = static_cast<u8>(new_database_size);
crc = GenerateDatabaseCrc();
}
void NintendoFigurineDatabase::CleanDatabase() {
miis = {};
version = 1;
magic = DatabaseMagic;
database_length = 0;
crc = GenerateDatabaseCrc();
}
void NintendoFigurineDatabase::CorruptCrc() {
crc = GenerateDatabaseCrc();
crc = ~crc;
}
Result NintendoFigurineDatabase::CheckIntegrity() {
if (magic != DatabaseMagic) {
return ResultInvalidDatabaseSignature;
}
if (version != 1) {
return ResultInvalidDatabaseVersion;
}
if (crc != GenerateDatabaseCrc()) {
return ResultInvalidDatabaseChecksum;
}
if (database_length >= MaxDatabaseLength) {
return ResultInvalidDatabaseLength;
}
return ResultSuccess;
}
u16 NintendoFigurineDatabase::GenerateDatabaseCrc() {
return MiiUtil::CalculateCrc16(&magic, sizeof(NintendoFigurineDatabase) - sizeof(crc));
}
} // namespace Service::Mii
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